\draw [yellow, ultra thin] (0.000000, 64.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (16.000000, 64.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (32.000000, 64.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (48.000000, 64.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (0.000000, 48.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (16.000000, 48.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (32.000000, 48.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (48.000000, 48.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (0.000000, 32.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (16.000000, 32.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (32.000000, 32.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (48.000000, 32.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (0.000000, 16.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (16.000000, 16.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (32.000000, 16.000000) rectangle +(16.000000,-16.000000);
\draw [yellow, ultra thin] (48.000000, 16.000000) rectangle +(16.000000,-16.000000);
